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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: MP2=FULL/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/cc-pVQZ
 hartrees
Energy at 0K-261.819203
Energy at 298.15K 
HF Energy-260.652845
Nuclear repulsion energy164.287434
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2=FULL/cc-pVQZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3335 3192 1.79 99.39 0.08 0.15
2 A1 1436 1374 26.16 6.30 0.75 0.86
3 A1 1303 1248 0.78 22.69 0.04 0.08
4 A1 1092 1045 0.30 6.66 0.27 0.42
5 A1 1056 1011 17.62 8.29 0.14 0.25
6 A1 926 886 11.16 4.23 0.11 0.19
7 A2 919 879 0.00 0.02 0.75 0.86
8 A2 663 635 0.00 0.29 0.75 0.86
9 B1 863 826 40.35 0.00 0.75 0.86
10 B1 677 648 2.05 0.11 0.75 0.86
11 B2 3320 3178 1.70 48.73 0.75 0.86
12 B2 1513 1448 0.21 0.68 0.75 0.86
13 B2 1193 1142 5.48 0.02 0.75 0.86
14 B2 976 934 14.99 1.58 0.75 0.86
15 B2 953 912 1.91 1.74 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10112.8 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 9678.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/cc-pVQZ
ABC
0.35076 0.33069 0.17021

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.118
N2 0.000 1.124 0.362
N3 0.000 -1.124 0.362
C4 0.000 0.697 -0.885
C5 0.000 -0.697 -0.885
H6 0.000 1.399 -1.695
H7 0.000 -1.399 -1.695

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.35421.35422.12032.12033.14103.1410
N21.35422.24741.31752.20692.07503.2545
N31.35422.24742.20691.31753.25452.0750
C42.12031.31752.20691.39481.07142.2471
C52.12032.20691.31751.39482.24711.0714
H63.14102.07503.25451.07142.24712.7972
H73.14103.25452.07502.24711.07142.7972

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 105.045 O1 N3 C5 105.045
N2 O1 N3 112.152 N2 C4 C5 108.879
N2 C4 H6 120.240 N3 C5 C4 108.879
N3 C5 H7 120.240 C4 C5 H7 130.881
C5 C4 H6 130.881
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability